This VS Code extension lets you insert images as HTML references from a number of popular free-to-use image providers, including stock-image services like Unsplash.

Now if this was the HTML page itself, it would be pretty easy to send an HTTP header to clue in the browser (force expiry IIRC), but the browser will ask for the image in a separate connection ...

Open your website's HTML document and use the following HTML code as a base for displaying the images in the "body" tags. This only defines the first image to show, as well as gives an ID to the ...

The following code adds the image HTML code to the post: Replace the PNG file name with your thumbnail image. The image can be one on your website or an external image website.